X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp_output.c;h=7d7c32ad210ad0f163cfd051106d81cd1e271a4f;hb=c977e7c100f5727183f9452e2c0d086623a21d15;hp=79d64cf2da3cbe9b822a823b25fb1cd260c4cafb;hpb=34ca075636cc9a7974cd4483f28303137a7d42df;p=vpp.git

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 79d64cf2da3..7d7c32ad210 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1076,24 +1076,25 @@ tcp_send_fin (tcp_connection_t * tc)
   u32 bi;
   u8 fin_snt = 0;
 
-  tcp_retransmit_timer_force_update (tc);
+  fin_snt = tc->flags & TCP_CONN_FINSNT;
+  if (fin_snt)
+    tc->snd_nxt = tc->snd_una;
+
   if (PREDICT_FALSE (tcp_get_free_buffer_index (tm, &bi)))
     {
       /* Out of buffers so program fin retransmit ASAP */
       tcp_timer_update (tc, TCP_TIMER_RETRANSMIT, 1);
-      tc->flags |= TCP_CONN_FINSNT;
-      tc->snd_una_max += 1;
-      tc->snd_nxt = tc->snd_una_max;
-      return;
+      goto post_enqueue;
     }
 
+  tcp_retransmit_timer_force_update (tc);
   b = vlib_get_buffer (vm, bi);
   tcp_init_buffer (vm, b);
-  fin_snt = tc->flags & TCP_CONN_FINSNT;
-  if (fin_snt)
-    tc->snd_nxt = tc->snd_una;
   tcp_make_fin (tc, b);
   tcp_enqueue_to_output_now (vm, b, bi, tc->c_is_ip4);
+  TCP_EVT_DBG (TCP_EVT_FIN_SENT, tc);
+
+post_enqueue:
   if (!fin_snt)
     {
       tc->flags |= TCP_CONN_FINSNT;
@@ -1106,7 +1107,6 @@ tcp_send_fin (tcp_connection_t * tc)
     {
       tc->snd_nxt = tc->snd_una_max;
     }
-  TCP_EVT_DBG (TCP_EVT_FIN_SENT, tc);
 }
 
 always_inline u8